body {
    font: 13px / 1.5 'Helvetica Neue', 'Trebuchet MS', FreeSans, sans-serif
}

a:focus {
    outline: 1px dotted
}

hr {
    border: 0 #ccc solid;
    border-top-width: 1px;
    clear: both;
    height: 0
}

h1 {
    font-size: 2em;
}

h2 {
    font-size: 1.5em;
}

h3 {
    font-size: 1.2em;
}


ol {
    list-style: decimal
}

ul {
    list-style: disc
}

li {
    margin-left: 30px
}

p, dl, hr, h1, h2, h3, h4, h5, h6, ol, ul, pre, table, address, fieldset {
    margin-bottom: 20px
}

.indispensavel{
    font-weight: bold;
}